J-Star Holding Co., Ltd. — EFFECT Filings

2 EFFECT filings on record

This page lists all EFFECT filings submitted to the SEC by J-Star Holding Co., Ltd. (YMAT), sorted by most recent first. Each row links to the full filing on EdgarLookup. J-Star Holding Co., Ltd. has filed 2 EFFECT documents with the SEC since 2021. To view all SEC filings by J-Star Holding Co., Ltd., see the full filings list.

Overview All Filings Financials Insiders

All 3 424B4 6-K 8-A12B 8-A12B/A CERT CORRESP DRS DRS/A DRSLTR EFFECT F-1 F-1/A FWP RW S-8 UPLOAD

Form	Description	Accession Number	Filed	Period
EFFECT	—	9999999995-25-002386	Jul 29, 2025	—
EFFECT	—	9999999995-25-000823	Mar 28, 2025	—